85 	grant_ref_t gref;  member
309 		gnt_list_entry->gref = GRANT_INVALID_REF;  in fill_grant_buffer()
338 	if (gnt_list_entry->gref != GRANT_INVALID_REF)  in get_free_grant()
347 	gnttab_page_grant_foreign_access_ref_one(gnt_list_entry->gref,  in grant_foreign_access()
360 	if (gnt_list_entry->gref != GRANT_INVALID_REF)  in get_grant()
364 	gnt_list_entry->gref = gnttab_claim_grant_reference(gref_head);  in get_grant()
365 	BUG_ON(gnt_list_entry->gref == -ENOSPC);  in get_grant()
370 		gnttab_grant_foreign_access_ref(gnt_list_entry->gref,  in get_grant()
384 	if (gnt_list_entry->gref != GRANT_INVALID_REF)  in get_indirect_grant()
388 	gnt_list_entry->gref = gnttab_claim_grant_reference(gref_head);  in get_indirect_grant()
389 	BUG_ON(gnt_list_entry->gref == -ENOSPC);  in get_indirect_grant()
621 		ring_req->u.indirect.indirect_grefs[n] = gnt_list_entry->gref;  in blkif_setup_rw_req_grant()
625 	ref = gnt_list_entry->gref;  in blkif_setup_rw_req_grant()
658 				.gref       = ref,  in blkif_setup_rw_req_grant()
664 				.gref       = ref,  in blkif_setup_rw_req_grant()
1267 			if (persistent_gnt->gref != GRANT_INVALID_REF) {  in blkif_free_ring()
1268 				gnttab_end_foreign_access(persistent_gnt->gref,  in blkif_free_ring()
1292 			gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL);  in blkif_free_ring()
1307 			gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL);  in blkif_free_ring()
1494 		if (gnttab_query_foreign_access(s->grants_used[i]->gref)) {  in blkif_completion()
1503 						     s->grants_used[i]->gref);  in blkif_completion()
1513 			gnttab_end_foreign_access(s->grants_used[i]->gref, 0, 0UL);  in blkif_completion()
1514 			s->grants_used[i]->gref = GRANT_INVALID_REF;  in blkif_completion()
1520 			if (gnttab_query_foreign_access(s->indirect_grants[i]->gref)) {  in blkif_completion()
1523 							     s->indirect_grants[i]->gref);  in blkif_completion()
1529 				gnttab_end_foreign_access(s->indirect_grants[i]->gref, 0, 0UL);  in blkif_completion()
1538 				s->indirect_grants[i]->gref = GRANT_INVALID_REF;  in blkif_completion()
1676 	grant_ref_t gref[XENBUS_MAX_RING_GRANTS];  in setup_blkring()  local
1690 	err = xenbus_grant_ring(dev, rinfo->ring.sring, info->nr_ring_pages, gref);  in setup_blkring()
1697 		rinfo->ring_ref[i] = gref[i];  in setup_blkring()
2670 			if (gnt_list_entry->gref == GRANT_INVALID_REF ||  in purge_persistent_grants()
2671 			    gnttab_query_foreign_access(gnt_list_entry->gref))  in purge_persistent_grants()
2675 			gnttab_end_foreign_access(gnt_list_entry->gref, 0, 0UL);  in purge_persistent_grants()
2677 			gnt_list_entry->gref = GRANT_INVALID_REF;  in purge_persistent_grants()